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A 120 kg motorbike plus 80 kg rider is to accelerate from zero to 5 m S^-2 in 0.8 S. Estimate the average force required. |
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Answer» Explanation: m = 120kg + 80kg = 200kg A1 = 0m/s² A2 = 5m/s² t = 0.8sec F = ma ( Newton's second LAW of motion) F1 = (200)(0) = 0N ----(1) F2 = (200)(5) =. 1000N ----(2) now, (1)+(2)/2 -----> average = 0+1000/2 = 1000/2 = 500N ...:)!):) might help you |
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